IBM EXP15 Hardware Maintenance Manual

Also see for EXP15: Installation and User Handbook

Additional Service Information“Turning the expansion unit on and off.”“Performing an emergency shutdown” on page 67.“Restoring power after an emergency” on page 68.“Clustering support” on page 69.“Getting help on the World Wide Web” on page 69.“Specifications” on page 70.Turning the expansion unit on and offThis section contains instructions for turning the expansionunit on and off under normal and emergencycircumstances.If you are turning on the expansion unit after anemergency shutdown or power outage, refer to “Restoringpower after an emergency” on page 68.Turning on the expansion unit: Use thisprocedure to turn on the power for the initial startup of theexpansion unit.1. Verify that:a. All communication and power cables are pluggedinto the back of the expansion unit and an acpower outlet.b. All hard disk drives are locked securely in place.c. The tray number switches on the expansion unitare set correctly. (See “Setting the interfaceoptions” on page 76 for more information.)2. Check the system documentation for all the hardwaredevices you intend to turn on and determine theproper startup sequence.NoteBe sure to turn on the IBM Netfinity EXP500before or at the same time as the server.3. Turn on the power to each device, based on thestartup sequence.Attention:If you are restarting the system after a normalshutdown, wait at least 10 seconds before you turnon the power supply switches.4. Turn on both power supply switches on the back ofthe unit.The expansion unit might take a few seconds topower up. During this time, you might see the amberand green LEDs on the expansion unit turn on and offintermittently. When the startup sequence iscomplete, only the green LEDs on the front and backand the amber Bypass LEDs for unconnected GBICNetfinity FAStT EXP500 - Type 3560 65